Children (12 direct children, 12 direct and indirect children):
Omalonyx convexus
Omalonyx matheroni
Omalonyx unguis
Omalonyx antiqua
Omalonyx brasiliensis
Omalonyx cocleare
Omalonyx felina
Omalonyx gallardoi
Omalonyx matheronii
Omalonyx patera
Omalonyx pattersonae
Omalonyx weyrauchi